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Use ruff formatter in DABs templates (replacing Black) #4196

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Merged
lennartkats-db merged 12 commits into from
Jan 12, 2026
Merged

Use ruff formatter in DABs templates (replacing Black) #4196

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67629e1
Replace Black formatter with Ruff in Python bundle templates
lennartkats-db Jan 1, 2026
10456b6
Remove redundant Ruff settings from VS Code configuration
lennartkats-db Jan 5, 2026
9f4e1d4
Remove redundant Ruff instructions from README
lennartkats-db Jan 5, 2026
85eefc3
Remove automatic import organization from VS Code settings
lennartkats-db Jan 5, 2026
dd76b16
Restore original formatting to minimize diff from main
lennartkats-db Jan 5, 2026
bc1b347
Fix acceptance test: remove spurious .vscode/settings.json diff
lennartkats-db Jan 5, 2026
116d130
Merge branch 'main' into template-add-lint
lennartkats-db Jan 7, 2026
f48b89a
Merge branch 'main' into template-add-lint
lennartkats-db Jan 7, 2026
2bc96c4
Merge branch 'main' into template-add-lint
lennartkats-db Jan 11, 2026
c6e80fd
Update NEXT_CHANGELOG.md
lennartkats-db Jan 11, 2026
2cb3162
Merge main to get CI fix from #4249
lennartkats-db Jan 12, 2026
1dee702
Merge remote template-add-lint branch
lennartkats-db Jan 12, 2026
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1 change: 1 addition & 0 deletions NEXT_CHANGELOG.md
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Expand Up @@ -12,6 +12,7 @@ To disable this, set the environment variable DATABRICKS_CACHE_ENABLED to false.
* Enable caching user identity by default ([#4202](https://github.com/databricks/cli/pull/4202))
* Fix false positive folder permission warnings and make them more actionable ([#4216](https://github.com/databricks/cli/pull/4216))
* Pass additional Azure DevOps system variables ([#4236](https://github.com/databricks/cli/pull/4236))
* Replace Black formatter with Ruff in Python bundle templates for faster, all-in-one linting and formatting ([#4196](https://github.com/databricks/cli/pull/4196))

### Dependency updates

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2 changes: 1 addition & 1 deletion ...ptance/bundle/templates/default-minimal/output/my_default_minimal/.vscode/extensions.json
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Expand Up @@ -2,6 +2,6 @@
"recommendations": [
"databricks.databricks",
"redhat.vscode-yaml",
"ms-python.black-formatter"
"charliermarsh.ruff"
]
}
2 changes: 1 addition & 1 deletion acceptance/bundle/templates/default-minimal/output/my_default_minimal/.vscode/settings.json
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Expand Up @@ -33,7 +33,7 @@
"python.testing.unittestEnabled": false,
"python.testing.pytestEnabled": true,
"[python]": {
"editor.defaultFormatter": "ms-python.black-formatter",
"editor.defaultFormatter": "charliermarsh.ruff",
"editor.formatOnSave": true,
},
}
2 changes: 1 addition & 1 deletion .../bundle/templates/default-python/classic/output/my_default_python/.vscode/extensions.json
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Expand Up @@ -2,6 +2,6 @@
"recommendations": [
"databricks.databricks",
"redhat.vscode-yaml",
"ms-python.black-formatter"
"charliermarsh.ruff"
]
}
2 changes: 1 addition & 1 deletion ...ce/bundle/templates/default-python/classic/output/my_default_python/.vscode/settings.json
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Expand Up @@ -33,7 +33,7 @@
"python.testing.unittestEnabled": false,
"python.testing.pytestEnabled": true,
"[python]": {
"editor.defaultFormatter": "ms-python.black-formatter",
"editor.defaultFormatter": "charliermarsh.ruff",
"editor.formatOnSave": true,
},
}
5 changes: 3 additions & 2 deletions acceptance/bundle/templates/default-python/classic/output/my_default_python/pyproject.toml
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Expand Up @@ -14,6 +14,7 @@ dependencies = [
[dependency-groups]
dev = [
"pytest",
"ruff",
"databricks-dlt",
"databricks-connect>=15.4,<15.5",
"ipykernel",
Expand All @@ -26,5 +27,5 @@ main = "my_default_python.main:main"
requires = ["hatchling"]
build-backend = "hatchling.build"

[tool.black]
line-length = 125
[tool.ruff]
line-length = 120
2 changes: 1 addition & 1 deletion ...ndle/templates/default-python/serverless/output/my_default_python/.vscode/extensions.json
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Expand Up @@ -2,6 +2,6 @@
"recommendations": [
"databricks.databricks",
"redhat.vscode-yaml",
"ms-python.black-formatter"
"charliermarsh.ruff"
]
}
2 changes: 1 addition & 1 deletion ...bundle/templates/default-python/serverless/output/my_default_python/.vscode/settings.json
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Expand Up @@ -33,7 +33,7 @@
"python.testing.unittestEnabled": false,
"python.testing.pytestEnabled": true,
"[python]": {
"editor.defaultFormatter": "ms-python.black-formatter",
"editor.defaultFormatter": "charliermarsh.ruff",
"editor.formatOnSave": true,
},
}
5 changes: 3 additions & 2 deletions ...ptance/bundle/templates/default-python/serverless/output/my_default_python/pyproject.toml
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Expand Up @@ -14,6 +14,7 @@ dependencies = [
[dependency-groups]
dev = [
"pytest",
"ruff",
"databricks-dlt",
"databricks-connect>=15.4,<15.5",
"ipykernel",
Expand All @@ -26,5 +27,5 @@ main = "my_default_python.main:main"
requires = ["hatchling"]
build-backend = "hatchling.build"

[tool.black]
line-length = 125
[tool.ruff]
line-length = 120
2 changes: 1 addition & 1 deletion .../templates/lakeflow-pipelines/python/output/my_lakeflow_pipelines/.vscode/extensions.json
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Expand Up @@ -2,6 +2,6 @@
"recommendations": [
"databricks.databricks",
"redhat.vscode-yaml",
"ms-python.black-formatter"
"charliermarsh.ruff"
]
}
2 changes: 1 addition & 1 deletion ...le/templates/lakeflow-pipelines/python/output/my_lakeflow_pipelines/.vscode/settings.json
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Expand Up @@ -33,7 +33,7 @@
"python.testing.unittestEnabled": false,
"python.testing.pytestEnabled": true,
"[python]": {
"editor.defaultFormatter": "ms-python.black-formatter",
"editor.defaultFormatter": "charliermarsh.ruff",
"editor.formatOnSave": true,
},
}
5 changes: 3 additions & 2 deletions ...ce/bundle/templates/lakeflow-pipelines/python/output/my_lakeflow_pipelines/pyproject.toml
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Expand Up @@ -14,6 +14,7 @@ dependencies = [
[dependency-groups]
dev = [
"pytest",
"ruff",
"databricks-dlt",
"databricks-connect>=15.4,<15.5",
"ipykernel",
Expand All @@ -29,5 +30,5 @@ build-backend = "hatchling.build"
[tool.hatch.build.targets.wheel]
packages = ["src"]

[tool.black]
line-length = 125
[tool.ruff]
line-length = 120
2 changes: 1 addition & 1 deletion ...dle/templates/lakeflow-pipelines/sql/output/my_lakeflow_pipelines/.vscode/extensions.json
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Expand Up @@ -2,6 +2,6 @@
"recommendations": [
"databricks.databricks",
"redhat.vscode-yaml",
"ms-python.black-formatter"
"charliermarsh.ruff"
]
}
2 changes: 1 addition & 1 deletion ...undle/templates/lakeflow-pipelines/sql/output/my_lakeflow_pipelines/.vscode/settings.json
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Expand Up @@ -33,7 +33,7 @@
"python.testing.unittestEnabled": false,
"python.testing.pytestEnabled": true,
"[python]": {
"editor.defaultFormatter": "ms-python.black-formatter",
"editor.defaultFormatter": "charliermarsh.ruff",
"editor.formatOnSave": true,
},
}
5 changes: 3 additions & 2 deletions acceptance/bundle/templates/pydabs/init-classic/output/my_pydabs/pyproject.toml
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Expand Up @@ -14,6 +14,7 @@ dependencies = [
[dependency-groups]
dev = [
"pytest",
"ruff",
"databricks-dlt",
"databricks-connect>=15.4,<15.5",
"ipykernel",
Expand All @@ -27,5 +28,5 @@ main = "my_pydabs.main:main"
requires = ["hatchling"]
build-backend = "hatchling.build"

[tool.black]
line-length = 125
[tool.ruff]
line-length = 120
2 changes: 1 addition & 1 deletion libs/template/templates/default/template/{{.project_name}}/.vscode/extensions.json
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Expand Up @@ -2,6 +2,6 @@
"recommendations": [
"databricks.databricks",
"redhat.vscode-yaml",
"ms-python.black-formatter"
"charliermarsh.ruff"
]
}
2 changes: 1 addition & 1 deletion libs/template/templates/default/template/{{.project_name}}/.vscode/settings.json
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Expand Up @@ -33,7 +33,7 @@
"python.testing.unittestEnabled": false,
"python.testing.pytestEnabled": true,
"[python]": {
"editor.defaultFormatter": "ms-python.black-formatter",
"editor.defaultFormatter": "charliermarsh.ruff",
"editor.formatOnSave": true,
},
}
5 changes: 3 additions & 2 deletions libs/template/templates/default/template/{{.project_name}}/pyproject.toml.tmpl
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Expand Up @@ -14,6 +14,7 @@ dependencies = [
[dependency-groups]
dev = [
"pytest",
"ruff",
"databricks-dlt",
"databricks-connect{{template "conservative_db_connect_version_spec"}}",
"ipykernel",
Expand All @@ -38,5 +39,5 @@ build-backend = "hatchling.build"
packages = ["src"]
{{- end }}

[tool.black]
line-length = 125
[tool.ruff]
line-length = 120